61-key touch response keyboard with powerful on-board speakers and easy-to-use professional features like assignable Live Control knobs, DJ pattern mode, and USB to Device connectivity.

• 758 high quality voices including Sweet! and Cool! voices, with 48-note polyphony
• 6W + 6W amplifiers with 12 cm Bass Reflexed speakers
• Assignable real-time control knobs, DSP Effects, and Pitch Bend
• Connectivity with audio and MIDI capabilities
• USB TO DEVICE terminal
• Pattern function to create your own grooves - 25 patterns
• Arpeggio function
• Worldwide sounds support your music
• Yamaha Education Suite (Y.E.S.)
• Music Database
• Tham khảo thêm tại: https://usa.yamaha.com/products/musical_instruments/keyboards/portable_keyboards/psr-e453/specs.html#product-tabs